diff --git a/Assets/measuregeneric/scripts/Areaportal.cs b/Assets/measuregeneric/scripts/Areaportal.cs
index 8a4e9a6..3ef8759 100644
--- a/Assets/measuregeneric/scripts/Areaportal.cs
+++ b/Assets/measuregeneric/scripts/Areaportal.cs
@@ -26,6 +26,9 @@ public class Areaportal : UdonSharpBehaviour
 
     public override void OnPlayerTriggerEnter(VRCPlayerApi player)
     {
+        if (!(player.IsValid() && player.isLocal))
+            return;
+
         this.portal.open = true;
 
         foreach(GameObject imposter in this.imposters)
@@ -36,6 +39,9 @@ public class Areaportal : UdonSharpBehaviour
 
     public override void OnPlayerTriggerExit(VRCPlayerApi player)
     {
+        if (!(player.IsValid() && player.isLocal))
+            return;
+
         this.portal.open = false;
 
         foreach(GameObject imposter in this.imposters)